MEDICAL RADIATION EXPOSURE IN THE US IN 2006: PRELIMINARY RESULTS

被引：384

作者：

Mettler, Fred A., Jr. ^{[1
]}

Thorriadsen, Bruce R. ^{[2
]}

Bhargavan, Mythreyi ^{[3
]}

Gilley, Debbie B.

Gray, Joel E. ^{[4
]}

Lipoti, Jill A. ^{[5
,6
]}

McCrohan, John ^{[7
]}

Yoshizurrli, Terry T.

Mahesh, Mahadevappa ^{[8
]}

机构：

[1] NMVAHCS, Radiol & Nucl Med Serv, Albuquerque, NM 87108 USA

[2] Univ Wisconsin, Dept Med Phys, Madison, WI 53706 USA

[3] Amer Coll Radiol, Reston, VA 20191 USA

[4] DIQUAD LLC, Steger, IL 60475 USA

[5] Radiat Protect Programs, New Jersey Dept Environm Protect, Trenton, NJ 08625 USA

[6] US FDA, CDRH, Rockville, MD 20850 USA

[7] Duke Univ, Sch Med, Durham, NC 27710 USA

[8] Johns Hopkins Univ Hosp, Dept Radiol, Baltimore, MD 21287 USA

来源：

HEALTH PHYSICS | 2008年 / 95卷 / 05期

关键词：

National Council on Radiation Protection and Measurements; dose; population; effective dose; medical radiation;

D O I：

10.1097/01.HP.0000326333.42287.a2

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Medical radiation exposure of the U.S. population has not been systematically evaluated for almost 25 y. In 1982, the per capita dose was estimated to be 0.54 mSv and the collective dose 124,000 person-Sv. The preliminary estimates of the NCRP Scientific Committee 6-2 medical subgroup are that, in 2006, the per capita dose from medical exposure (not including dental or radiotherapy) had increased almost 600% to about 3.0 mSv and the collective dose had increased over 700% to about 900,000 person-Sv. The largest contributions and increases have come primarily from CT scanning and nuclear medicine. The 62 million CT procedures accounted for 15% of the total number procedures (excluding dental) and over half of the collective dose. Nuclear medicine accounted for about 4% of all procedures but 26% of the total collective dose. Medical radiation exposure is now approximately equal to natural background radiation.

引用

页码：502 / 507

页数：6

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